﻿using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using Maticsoft.DBUtility;//Please add references
namespace Maticsoft.DAL
{
	/// <summary>
	/// 数据访问类:examstu
	/// </summary>
	public partial class examstu
	{
		public examstu()
		{}
		#region  BasicMethod

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("esId", "examstu"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int esId)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from examstu");
			strSql.Append(" where esId=@esId");
			SqlParameter[] parameters = {
					new SqlParameter("@esId", SqlDbType.Int,4)
			};
			parameters[0].Value = esId;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}
        public bool Exist(int sId)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from examstu");
            strSql.Append(" where stuId=@stuId");
            SqlParameter[] parameters = {
					new SqlParameter("@stuId", SqlDbType.Int,4)
			};
            parameters[0].Value = sId;

            return DbHelperSQL.Exists(strSql.ToString(), parameters);
        }
        public bool setroom(int esId,string stus)
        {
            string[] s = stus.Split(',');
            foreach (string sid in s)
            {
                int i=int.Parse(sid);
                Maticsoft.Model.examstu model=new Model.examstu();
                model.stuId=i;
                model.examRoomId=esId;
                if (Exist(i))
                {
                    Update(model);
                }
                else
                {
                    Add(model);
                }                
            }
            return true;
        }

		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(Maticsoft.Model.examstu model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into examstu(");
			strSql.Append("examRoomId,stuId)");
			strSql.Append(" values (");
			strSql.Append("@examRoomId,@stuId)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@examRoomId", SqlDbType.Int,4),
					new SqlParameter("@stuId", SqlDbType.Int,4)};
			parameters[0].Value = model.examRoomId;
			parameters[1].Value = model.stuId;

			object obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(Maticsoft.Model.examstu model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update examstu set ");
			strSql.Append("examRoomId=@examRoomId");			
            strSql.Append(" where stuId=@stuId");
			SqlParameter[] parameters = {
					new SqlParameter("@examRoomId", SqlDbType.Int,4),
					new SqlParameter("@stuId", SqlDbType.Int,4)
					};
			parameters[0].Value = model.examRoomId;
			parameters[1].Value = model.stuId;			

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int esId)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from examstu ");
			strSql.Append(" where esId=@esId");
			SqlParameter[] parameters = {
					new SqlParameter("@esId", SqlDbType.Int,4)
			};
			parameters[0].Value = esId;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		/// <summary>
		/// 批量删除数据
		/// </summary>
		public bool DeleteList(string esIdlist )
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from examstu ");
			strSql.Append(" where esId in ("+esIdlist + ")  ");
			int rows=DbHelperSQL.ExecuteSql(strSql.ToString());
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public Maticsoft.Model.examstu GetModel(int esId)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select  top 1 esId,examRoomId,stuId from examstu ");
			strSql.Append(" where esId=@esId");
			SqlParameter[] parameters = {
					new SqlParameter("@esId", SqlDbType.Int,4)
			};
			parameters[0].Value = esId;

			Maticsoft.Model.examstu model=new Maticsoft.Model.examstu();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				return DataRowToModel(ds.Tables[0].Rows[0]);
			}
			else
			{
				return null;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public Maticsoft.Model.examstu DataRowToModel(DataRow row)
		{
			Maticsoft.Model.examstu model=new Maticsoft.Model.examstu();
			if (row != null)
			{
				if(row["esId"]!=null && row["esId"].ToString()!="")
				{
					model.esId=int.Parse(row["esId"].ToString());
				}
				if(row["examRoomId"]!=null && row["examRoomId"].ToString()!="")
				{
					model.examRoomId=int.Parse(row["examRoomId"].ToString());
				}
				if(row["stuId"]!=null && row["stuId"].ToString()!="")
				{
					model.stuId=int.Parse(row["stuId"].ToString());
				}
			}
			return model;
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select esId,examRoomId,stuId ");
			strSql.Append(" FROM examstu ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ");
			if(Top>0)
			{
				strSql.Append(" top "+Top.ToString());
			}
			strSql.Append(" esId,examRoomId,stuId ");
			strSql.Append(" FROM examstu ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			strSql.Append(" order by " + filedOrder);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获取记录总数
		/// </summary>
		public int GetRecordCount(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) FROM examstu ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			object obj = DbHelperSQL.GetSingle(strSql.ToString());
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("SELECT * FROM ( ");
			strSql.Append(" SELECT ROW_NUMBER() OVER (");
			if (!string.IsNullOrEmpty(orderby.Trim()))
			{
				strSql.Append("order by T." + orderby );
			}
			else
			{
				strSql.Append("order by T.esId desc");
			}
			strSql.Append(")AS Row, T.*  from examstu T ");
			if (!string.IsNullOrEmpty(strWhere.Trim()))
			{
				strSql.Append(" WHERE " + strWhere);
			}
			strSql.Append(" ) TT");
			strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "examstu";
			parameters[1].Value = "esId";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  BasicMethod
		#region  ExtensionMethod

		#endregion  ExtensionMethod
	}
}

